1. You work for a shared
hosting provider, and your supervisor asks you to disable user scripts to
dynamically load PHP
extensions using the dl() function. How can you do this? (Choose 2)
A. Set enable_dl to Off
in the server's php.ini configuration file.
B. Add dl to the current
value of disable_functions in the server's php.ini configuration file.
C. Add dl to the current
value of disable_classes in the server's php.ini configuration file.
D. Write a custom
function called dl(), save it under the name prepend.inc and then set the
auto_prepend_file
directive to prepend.inc in php.ini.
Answer: AB
2. Which of the
following statements is NOT true?
a) Class constants are
public
b) Class constants are
being inherited
c) Class constants can
omit initialization (default to NULL)
d) Class constants can
be initialized by consts
A. a)
B. b)
C. c)
D. d)
Answer: C
3. Type hinting in PHP
allows the identification of the following variable types: (Choose 2)
A. String
B. Integer
C. Array
D. Any class or
interface type
Answer: CD
4. How many elements
does the $matches array contain after the following function call is performed?
preg_match('/^(\d{1,2}([a-z]+))(?:\s*)\S+
(?=200[0-9])/', '21st March
2006', $matches);
A. 1
B. 2
C. 3
D. 4
Answer: C
5. Given the following
code, what will be the value of $a?
$a = array('a', 'b');
array_push($a, array(1,
2));
A. array('a', 'b', 1, 2)
B. array(1, 2, 'a', 'b')
C. array(array(1, 2),
'a', 'b')
D. None of the above
Answer: D
6. Which of the
following filtering techniques prevents cross-site scripting (XSS)
vulnerabilities?
A. Strip all occurrences
of the string script.
B. Strip all occurrences
of the string javascript.
C. Enable magic_quotes_gpc.
D. None of the above.
Answer: D
7. Identify the security
vulnerability in the following example:
1 <?php
2 echo "Welcome,
{$_POST['name']}.";
3 ?>
A. SQL Injection
B. Cross-Site Scripting
C. Remote Code Injection
D. None of the above
Answer: B
8. How many times will
the function counter() be executed in the following code?
function counter($start,
&$stop)
{
if ($stop > $start)
{
return;
}
counter($start--,
++$stop);
}
$start = 5;
$stop = 2;
counter($start, $stop);
A. 3
B. 4
C. 5
D. 6
Answer: C
9. When a class is
defined as final it:
A. Can no longer be
extended by other classes.
B. Means methods in the
class are not over-loadable.
C. Cannot be defined as
such, final is only applicable to object methods.
D. Is no longer
iteratable.
Answer: A
10. Which parts of the
text are matched in the following regular expression?
<?php
$text = <<<EOT
The big bang bonged under the bung.
EOT;
preg_match_all('@b.n?g@', $text, $matches);
?>
A. bang bong bung
B. bang bonged bung
C. big bang bong bung
D. big bang bung
Answer: C
11. Which of the
following can be registered as entry points with a SoapServer instance (choose
3):
A. A single function
B. A single method from
a class
C. Multiple functions at
once
D. All methods from a
class
E. All classes defined
in a script
Answer: ACD
12. What DOMElement
method should be used to check for availability of a non-namespaced attribute?
A. getAttributeNS()
B. getAttribute()
C. hasAttribute()
D. hasAttributeNS()
Answer: C
13. Which of the
following data types is implicitly passed by reference in PHP 5 while it is
passed by value
in PHP 4?
A. Class
B. String
C. Object
D. Array
Answer: C
14. What is the content
of $c after the following code has executed?
$a = 2;
$b = 3;
$c = ($a++ * ++$b);
A. 0
B. 5
C. 8
D. 4
Answer:
15. Which options do you
have in PHP to set the expiry date of a session?
A. Set the
session.duration directive in php.ini
B. Set session cookie
expiry date locally via session_set_cookie_params()
C. Set session expiry
date locally via session_cache_expire()
D. None of the above
Answer: D
16. A script residing at
http://example.com/phpcert/cookies.php contains the following code:
1 <?php
2 setcookie('name1',
'value1', time() + 60*60*24, '/');
3 setcookie('name1',
'value2');
4 ?>
The web browser is
configured to accept all cookies. How many cookies will be set by this script?
A. 0
B. 1
C. 2
D. 3
Answer: C
17. You analyze the code
of a collegue and see, it uses the function strcasecmp. You try it out to see
what
it does and use the
following function call:
strcasecmp('hello my
dear!', 'Hello my DEAR!');
The function call
returns "0". What does that mean?
A. String 1 is less than
string 2.
B. The strings are
considered equal.
C. String 2 is less than
string 1.
D. The strings have
equal length.
Answer: B
18. What is the output
of the following script?
<?php
class a
{
public $val;
}
function renderVal (a $a)
{
if ($a) {
echo $a->val;
}
}
renderVal (null);
?>
A. A syntax error in the
function declaration line
B. An error, because
null is not an instance of 'a'
C. Nothing, because a
null value is being passed to renderVal()
D. NULL
Answer: B
19. REST is a(n) ...
A. Web service protocol
similar to SOAP with a strict XML schema.
B. Principle to exchange
information using XML and HTTP.
C. API to get
information from social networking sites.
Answer: B
20. What is the output
of the following code?
echo 0x33, ' monkeys sit
on ', 011, ' trees.';
A. 33 monkeys sit on 11
trees.
B. 51 monkeys sit on 9
trees.
C. monkeys sit on trees.
D. 0x33 monkeys sit on
011 trees.
Answer: B
21. When checking
whether two English words are pronounced alike, which function
should be used for the
best possible result?
A. levenshtein()
B. metaphone()
C. similar_text()
D. soundex()
Answer: B
22. Given the following
code, what is correct?
function f(stdClass
&$x = NULL) { $x = 42;
}
$z = new stdClass;
f($z);
var_dump($z);
A. Error: Typehints
cannot be NULL
B. Error: Typehints
cannot be references
C. Result is NULL
D. Result is object of
type stdClass
E. Result is 42
Answer: E
23. What is the maximum
size of the VARCHAR column type?
A. 255 Bytes
B. 255 Characters
C. 512 Bytes
D. 512 Characters
E. No Limit
Answer: B
24. What is the output
of the following code?
<code>
class test {
public $value = 0;
function test() {
$this->value = 1;
}
function __construct() {
$this->value = 2;
}
}
$object = new test();
echo $object->value;
A. 2
B. 1
C. 0
D. 3
E. No Output, PHP will
generate an error message.
Answer: A
25. Transactions can be
used to: (Choose 2)
A. Recover from errors
in case of a power outage or a failure in the SQL connection
B. Ensure that the data
is properly formatted
C. Ensure that either
all statements are performed properly, or that none of them are.
D. Recover from user
errors
Answer: AC
26. Which piece of code
will return the ASCII value of a character?
A. (int)'t';
B. ord('t');
C. to_ascii('t');
D. chr('t');
Answer: B
27. Which of the
following data types cannot be directly manipulated by the client?
A. Cookie Data
B. Session Data
C. Remote IP Address
D. User Agent
Answer: B
28. An HTML form
contains this form element:
<input
type="image" name="myImage" src="image.png" />
The user clicks on the
image to submit the form. How can you now access the relative coordinates of
the
mouse click?
A.
$_IMAGE['myImage']['x'] and $_IMAGE['myImage']['y']
B.
$_POST['myImage']['x'] and $_POST['myImage']['x']
C. $_POST['myImage.x']
and $_POST['myImage.y']
D. $_POST['myImage_x']
and $_POST['myImage_y']
Answer: D
29. Which of the
following statements is correct?
A. Interfaces can extend
only one interface
B. Interfaces can extend
more than one interface
C. Interfaces can
inherit a method from different interfaces
D. Interfaces can
redeclare inherited methods
Answer: B
30. You are creating an
application that generates invoices in a variety of formats, including PDF, ODS
and HTML. Each of these
formats is represented as a PHP class in your application. While some of the
operations can be
performed on all of the different formats (such as saving and loading), other operations
may be specific to one
or two of the formats (such as setting as read only). Which design pattern
should
you use for this
application?
A. Adapter
B. Factory
C. MVC
D. Singleton
Answer: B
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